CN105800458A - Device special for lifting and transporting of indoor GIS electrical equipment - Google Patents

Abstract

The invention relates to a special device for hoisting and transporting indoor GIS electrical equipment that will not cause damage to buildings, has high installation efficiency and high installation accuracy, and includes a lifting device and a transport device. The transport device includes a bottom plate, and both sides of the lower surface of the bottom plate Universal wheels are provided, and through holes are opened on the upper surface of the bottom plate. The lifting device includes a jack and a connecting plate. The base of the jack is fixed on the upper surface of the bottom plate. The left and right sides are respectively provided with splints, the top of the splint is rotatably arranged on the connecting plate, the bottom of the splint passes through the through hole on the bottom plate and protrudes from the lower surface of the bottom plate, and the side of the splint opposite to the jack is provided with Pressing block, the pressing block is located below the bottom plate, and the lifting device also includes a fastening device, the fastening device includes locking bolts and locking nuts, the ends of the locking bolts respectively pass through the splints on both sides of the jack and connect with the lock Tight nut connection.

Description

Special device for lifting and transporting indoor GIS electrical equipment

technical field

The invention relates to a lifting and transporting device, in particular to a special lifting and transporting device for indoor GIS electrical equipment.

Background technique

GIS (GASINSULATESWITCHGEAR) is the English abbreviation for gas insulated fully enclosed combined electrical appliances. Indoor GIS equipment transportation positioning is to install indoor GIS equipment in a predetermined location according to the design size through a limited channel during power engineering construction.

GIS equipment is a fully enclosed combined electrical appliance, which is divided into 110kV, 220kV, 330kV, 500kV, etc. according to the voltage level. The transportation of GIS equipment is completed according to the division of the unit. Each division unit weighs 3 to 10 tons, and the installation position error is controlled within 3. ~5 mm. The existing devices for installing indoor GIS equipment mainly have the following problems:

Installation efficiency is low. At present, the power grid construction work is increasingly heavy, the social power gap is huge, and the application rate of indoor GIS electrical equipment in power equipment is more than 70%, so it is necessary to improve the installation efficiency of indoor GIS electrical equipment in power engineering construction. The existing lifting and transporting devices are less efficient when installing indoor GIS equipment.

Installation accuracy is poor. Due to the internal vacuum or gas insulation requirements of GIS electrical equipment, the construction requirements are almost strict in the installation and placement process. Most of the air leakage and insulation test failures that occurred during the installation, operation test and commissioning process were caused by insufficient installation accuracy. The existing lifting and transporting devices have low installation accuracy for indoor GIS equipment.

In addition, during the installation of indoor GIS electrical equipment, it is often restricted by conditions such as narrow indoor passages, insufficient floor height, and the need for protection of the building ground. Large-scale hoisting equipment cannot enter the site, especially when the first phase of the expansion project has been completed. However, it is very difficult to rely on manual transportation and installation to realize the protection of the original building, and it is difficult to achieve the desired effect. Not only does the staff consume a lot of energy, but the efficiency is also very low.

In view of the above-mentioned defects, the designer actively researches and innovates, in order to create a special device for lifting and transporting indoor GIS electrical equipment with a new structure, so that it has more industrial use value.

Contents of the invention

In order to solve the above technical problems, the object of the present invention is to provide a special device for lifting and transporting indoor GIS electrical equipment that will not cause damage to buildings and has high installation efficiency and installation accuracy.

The special device for lifting and transporting indoor GIS electrical equipment of the present invention includes a lifting device and a transport device. The transport device includes a bottom plate. Universal wheels are arranged on both sides of the lower surface of the bottom plate. through holes, the lifting device includes a jack and a connecting plate, the base of the jack is fixedly arranged on the upper surface of the bottom plate, the connecting plate is located above the top column of the jack, and the left and right sides of the jack are respectively set There is a splint, the top of the splint is rotatably arranged on the connecting plate, the bottom of the splint passes through the through hole on the bottom plate and protrudes out of the lower surface of the bottom plate, and the side of the splint opposite to the jack is provided with a pressure block, the pressing block is located below the bottom plate, the lifting device also includes a fastening device, the fastening device includes a locking bolt and a locking nut, and the ends of the locking bolts respectively pass through the The splints on both sides are connected with lock nuts.

Further, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the jack is a hydraulic jack.

Further, the special device for lifting and transporting indoor GIS electrical equipment of the present invention also includes a mounting plate, the universal wheels are mounted on the mounting plate, the mounting plate is fixedly arranged on the lower surface of the bottom plate, and the universal wheels The bearing capacity is greater than or equal to 1 ton.

Furthermore, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the clamping plate includes a horizontal plate and two vertical plates respectively arranged at two ends of the horizontal plate, and the pressure block is arranged at the bottom of the vertical plate.

Further, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the number of the fastening devices is two groups, and the two groups of fastening devices are respectively arranged at the left and right ends of the horizontal plate.

Further, the special device for lifting and transporting indoor GIS electrical equipment of the present invention further includes I-beams, and said I-beams are arranged between the splints on both sides of the jack.

Further, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the load of the jack is greater than or equal to 5 tons.

By means of the above scheme, the present invention has at least the following advantages: the special device for lifting and transporting indoor GIS electrical equipment of the present invention, by setting universal wheels on the bottom surface of the bottom plate, and setting a jack on the top surface of the bottom plate, the special device for lifting and transporting indoor GIS electrical equipment It can conveniently transport and lift indoor GIS equipment. When in use, two to four special devices for lifting and transporting indoor GIS electrical equipment can be used to lift and transport GIS equipment. Compared with large-scale lifting equipment, indoor The special device for lifting and transporting GIS electrical equipment has a simple and compact structure, so that it will not cause damage to the building itself. At the same time, the operator can realize the precise installation of the equipment through the jack, thereby improving the installation accuracy of the GIS equipment. In specific use, the operator can place the I-beam with the GIS equipment installed between the two splints, and press the I-beam and the pressure block on the splint through the fastening device, and then realize it through the rollers on the bottom plate. For the transportation of GIS equipment, after the GIS equipment is transported to the designated location, the operator opens the jack, so that the top column of the jack moves upwards and supports the connecting plate on it, and the splint connected with the connecting plate is on the jack. It moves upward under the action of the splint, thereby driving the I-beam connected with the splint and the GIS equipment to move upward. It can be seen from the above description that the special device for lifting and transporting indoor GIS electrical equipment of the present invention will not damage the building and has high installation efficiency and high installation accuracy.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.

Description of drawings

Fig. 1 is the structural representation of the special device for lifting and transporting indoor GIS electrical equipment of the present invention;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is the structural representation of splint and connecting plate;

Fig. 4 is the structural representation of base plate, jack and universal wheel;

Figure 5 is a top view of Figure 4;

Fig. 6 is a structural schematic diagram of the bottom plate and universal wheels.

In the figure, 1: bottom plate; 2: universal wheel; 3: through hole; 4: jack; 5: connecting plate; 6: machine base; 7: top column; 8: plywood; Device; 11: locking bolt; 12: locking nut; 13: mounting plate; 14: horizontal plate; 15: vertical plate; 16: I-beam.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Referring to Fig. 1 and Fig. 6, a special device for lifting and transporting indoor GIS electrical equipment according to a preferred embodiment of the present invention includes a lifting device and a transport device, the transport device includes a bottom plate 1, and the two sides of the lower surface of the bottom plate are provided with The universal wheel 2 is provided with a through hole 3 on the upper surface of the bottom plate. The lifting device includes a jack 4 and a connecting plate 5. The base 6 of the jack is fixedly arranged on the upper surface of the bottom plate. Above, the left and right sides of the jack are respectively provided with clamping plates 8, the top of the clamping plate is rotatably arranged on the connection plate, the bottom of the clamping plate passes through the through hole on the base plate and protrudes out of the lower surface of the base plate, the clamping plate is opposite to the jack There is a pressure block 9 on the side of the bottom plate, the lifting device also includes a fastening device 10, the fastening device includes a locking bolt 11 and a locking nut 12, and the ends of the locking bolts respectively pass through Cleats located on both sides of the jack and connected with lock nuts.

In specific use, the operator can place the I-beam with the GIS equipment installed between the two splints, and press the I-beam and the pressure block on the splint through the fastening device, and then realize it through the rollers on the bottom plate. For the transportation of GIS equipment, after the GIS equipment is transported to the designated location, the operator opens the jack, so that the top column of the jack moves upwards and supports the connecting plate on it, and the splint connected with the connecting plate is on the jack. It moves upward under the action of the splint, thereby driving the I-beam connected with the splint and the GIS equipment to move upward.

Preferably, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the jack is a hydraulic jack.

As a preference, the special device for hoisting and transporting indoor GIS electrical equipment of the present invention also includes a mounting plate 13, on which the universal wheels are installed, and the mounting plate is fixedly arranged on the lower surface of the bottom plate, and the bearing capacity of the universal wheels is greater than or equal to 1 Ton.

Preferably, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the splint includes a horizontal plate 14 and two vertical plates 15 respectively arranged at two ends of the horizontal plate, and the pressure block is arranged at the bottom of the vertical plate.

As a preference, the special device for lifting and transporting indoor GIS electrical equipment of the present invention has two sets of fastening devices, and the two sets of fastening devices are respectively arranged at the left and right ends of the horizontal plate.

Preferably, the special device for lifting and transporting indoor GIS electrical equipment of the present invention further includes I-beam 16, and the I-beam is arranged between the splints on both sides of the jack.

On the one hand, the I-beam is used as the installation base of the GIS equipment; It will not fall directly.

As a preference, in the special device for lifting and transporting indoor GIS electrical equipment of the present invention, the load of the jack is greater than or equal to 5 tons.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements can be made without departing from the technical principle of the present invention. and modifications, these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (7)

1. A special device for lifting and transporting indoor GIS electrical equipment, characterized in that: it includes a lifting device and a transport device, and the transport device includes a base plate, and universal wheels are arranged on both sides of the lower surface of the base plate, and the base plate The upper surface is provided with a through hole, the lifting device includes a jack and a connecting plate, the base of the jack is fixedly arranged on the upper surface of the bottom plate, the connecting plate is located above the jack column, and the jack The left and right sides are respectively provided with splints, the top of the splint is rotatably arranged on the connecting plate, the bottom end of the splint passes through the through hole on the bottom plate and protrudes out of the lower surface of the bottom plate, the side of the splint opposite to the jack A pressure block is arranged on the side, and the pressure block is located below the bottom plate. The lifting device also includes a fastening device, the fastening device includes a lock bolt and a lock nut, and the end of the lock bolt Pass through the splints on both sides of the jack respectively and connect with lock nuts. 2. The special device for lifting and transporting indoor GIS electrical equipment according to claim 1, wherein the jack is a hydraulic jack. 3. The special device for hoisting and transporting indoor GIS electrical equipment according to claim 1, characterized in that it also includes a mounting plate, the universal wheels are mounted on the mounting plate, and the mounting plate is fixedly arranged on the lower surface of the bottom plate In addition, the bearing capacity of the universal wheel is greater than or equal to 1 ton. 4. The special device for hoisting and transporting indoor GIS electrical equipment according to claim 1, characterized in that: the splint includes a horizontal plate and two vertical plates respectively arranged at both ends of the horizontal plate, and the pressure block is set on the vertical bottom of the board. 5. The special device for hoisting and transporting indoor GIS electrical equipment according to claim 4, characterized in that: the number of said fastening devices is two groups, and the two groups of fastening devices are respectively arranged at the left and right ends of the horizontal plate. 6. The special device for hoisting and transporting indoor GIS electrical equipment according to claim 1, further comprising I-beams, said I-beams being arranged between the splints on both sides of the jack. 7. The special device for lifting and transporting indoor GIS electrical equipment according to claim 1, characterized in that: the load-bearing capacity of the jack is greater than or equal to 5 tons.